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  Indian J Med Microbiol
 

Figure 5: Another case categorized as “malignant cells seen.” (a) Cytosmear shows high cellularity with sheets of lymphoid cells. The lymphoid cells are twice the size of mature lymphocytes and have opened up chromatin and prominent nucleoli (MGG-Geimsa stain, 200×). (b) Sheets of atypical lymphoid cells (PAP stain, 200×). (c) Section of cell block shows sheets of atypical lymphoid cells (H & E stain, 200×). (d and e) The cells are immunopositive for CD20 and Tdt, suggesting a precursor B lymphoblastic lymphoma. H & E = hematoxylin and eosin, MGG = May Grunwald–Giemsa, PAP = Papanicolaou stain. IAC = Indian Academy of Cytologists, NOS = not otherwise specified

Figure 5: Another case categorized as “malignant cells seen.” (a) Cytosmear shows high cellularity with sheets of lymphoid cells. The lymphoid cells are twice the size of mature lymphocytes and have opened up chromatin and prominent nucleoli (MGG-Geimsa stain, 200×). (b) Sheets of atypical lymphoid cells (PAP stain, 200×). (c) Section of cell block shows sheets of atypical lymphoid cells (H & E stain, 200×). (d and e) The cells are immunopositive for CD20 and Tdt, suggesting a precursor B lymphoblastic lymphoma. H & E = hematoxylin and eosin, MGG = May Grunwald–Giemsa, PAP = Papanicolaou stain. IAC = Indian Academy of Cytologists, NOS = not otherwise specified